xref: /third_party/lwip/0020-remove-chose_dlsym_handle-function-set-handle-to-RTL.patch

From 970d9d6fd15c433af20bbbd7418c5e9773d58471 Mon Sep 17 00:00:00 2001
From: jiangheng <jiangheng12@huawei.com>
Date: Mon, 7 Mar 2022 21:08:13 +0800
Subject: [PATCH] remove chose_dlsym_handle function, set handle to RTLD_NEXT

---
 src/api/posix_api.c | 33 +--------------------------------
 1 file changed, 1 insertion(+), 32 deletions(-)

diff --git a/src/api/posix_api.c b/src/api/posix_api.c
index eff9f46..bce07f5 100644
--- a/src/api/posix_api.c
+++ b/src/api/posix_api.c
@@ -64,33 +64,6 @@ void posix_api_fork(void)
     posix_api->get_socket = chld_get_socket;
 }
 
-static int chose_dlsym_handle(void *__restrict* khandle)
-{
-    void *dlhandle;
-    int (*gazelle_epoll_create)(int size);
-    dlhandle = dlopen ("liblstack.so", RTLD_LAZY);
-    if (dlhandle == NULL) {
-        return ERR_IF;
-    }
-
-    gazelle_epoll_create = dlsym(dlhandle, "epoll_create");
-    if (gazelle_epoll_create == NULL) {
-        return ERR_MEM;
-    }
-
-    dlclose(dlhandle); 
-
-    *khandle = RTLD_NEXT;
-    if (dlsym(*khandle, "epoll_create") == gazelle_epoll_create) {
-        RTE_LOG(ERR, EAL, "posix api use RTLD_DEFAULT\n");
-        *khandle = RTLD_DEFAULT;
-    } else {
-        RTE_LOG(ERR, EAL, "posix api use RTLD_NEXT\n");
-    }
-
-    return ERR_OK;
-}
-
 int posix_api_init(void)
 {
 /* the symbol we use here won't be NULL, so we don't need dlerror()
@@ -102,11 +75,7 @@ int posix_api_init(void)
 
     posix_api = &posix_api_val;
 
-    void *__restrict handle;
-    int ret = chose_dlsym_handle(&handle);
-    if (ret != ERR_OK) {
-        return ret;
-    }
+    void *__restrict handle = RTLD_NEXT;
 
     /* glibc standard api */
     CHECK_DLSYM_RET_RETURN(posix_api->socket_fn = dlsym(handle, "socket"));
-- 
1.8.3.1